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/*
* arch/arch/mach-ixp4xx/ixdpg425-pci.c
*
* PCI setup routines for Intel IXDPG425 Platform
*
* Copyright (C) 2004 MontaVista Softwrae, Inc.
*
* Maintainer: Deepak Saxena <dsaxena@plexity.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/irq.h>
#include <asm/mach/pci.h>
extern void ixp4xx_pci_preinit(void);
extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
void __init ixdpg425_pci_preinit(void)
{
gpio_line_config(6, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
gpio_line_config(7, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
gpio_line_isr_clear(6);
gpio_line_isr_clear(7);
ixp4xx_pci_preinit();
}
static int __init ixdpg425_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
if (slot == 12 || slot == 13)
return IRQ_IXP4XX_GPIO7;
else if (slot == 14)
return IRQ_IXP4XX_GPIO6;
else return -1;
}
struct hw_pci ixdpg425_pci __initdata = {
.nr_controllers = 1,
.preinit = ixdpg425_pci_preinit,
.swizzle = pci_std_swizzle,
.setup = ixp4xx_setup,
.scan = ixp4xx_scan_bus,
.map_irq = ixdpg425_map_irq,
};
int __init ixdpg425_pci_init(void)
{
if (machine_is_ixdpg425())
pci_common_init(&ixdpg425_pci);
return 0;
}
subsys_initcall(ixdpg425_pci_init);
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